It is a friction fit instead of the screw nut type and attaches securely, even though there are no threads, locking mechanism or latch. The same applies to Ridgid Wet Dry Vacuums, it works perfectly with most of their models also.
RIDGID Vacuum Cleaner Parts for Shop-Vac for sale
Maresh Products Compatible Replacement for Some Shop VAC and Ridgid Style Vacuum Cleaners Crushproof Commercial Grade Hose with Tool Set. Has 2
Ridgid Vacuum Hose
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6 Foot hose with ends
Generic Shop Vac 6 Ft X 1-1/4 Crushproof Black Hose
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It is an authentic OEM replacement house assembly that is specially designed for use with Ridgid wet and dry vacuums. This is the flexible hose that provides a user with extended reach for picking up the material. It is a complete assembly which includes flexible plastic hose and two adapters to secure it, please note the extension wand and other accessories are sold separately. This Hose is used in Vacuums.
Ridgid 31713 Hose, VT1720 1-7/8 7
Compatible Replacement for Some Shop Vac and Ridgid